Answer:
The Sahel
Explanation:
The sahel is a narrow band of semi-arid that forms a transition zone between the Sahara to the north and the savannas to the south. It is made up of flat, barren plains that stretch roughly 5,400 kilometers (3,300 miles) across Africa, from Senegal to Sudan.
The area of transition between the Sahara Desert and the grasslands of sub-Saharan Africa is known as the Sahel. The Sahel is a narrow band of land stretching approximately 3,360 miles from the Atlantic Ocean to the Red Sea.
The Sahel is characterized by a semi-arid climate and a mix of grasslands, savannas, and sparse forests. This is home to a diverse array of plant and animal species, including elephants, giraffes, and gazelles.
It is also home to many pastoral and nomadic communities that rely on livestock herding for their livelihoods. However, the region is facing numerous challenges, including drought, desertification, and conflict.
In recent years, the Sahel has become an area of increasing concern due to the growing threat of terrorism and violent extremism. Several countries in the region have experienced attacks by extremist groups such as Boko Haram and the Islamic State in West Africa.
The international community has been working to provide support and assistance to help address the complex challenges facing the Sahel.
In summary, the area of transition between the Sahara Desert and the grasslands of sub-Saharan Africa is known as the Sahel. The region is characterized by a semi-arid climate and a mix of grasslands, savannas, and sparse forests.
The Sahel is home to diverse plant and animal species, as well as pastoral and nomadic communities, but is facing numerous challenges including drought, desertification, and conflict.
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The definition of weather is Group of answer choices a reference to temperature patterns only. the long-term atmospheric condition, including extremes that may occur. the climate of a region. the short-term condition of the atmosphere.
The definition of weather refers to the short-term condition of the atmosphere. The correct option is the short-term condition of the atmosphere.
Weather includes various factors such as temperature, humidity, precipitation, wind, and atmospheric pressure, which can change rapidly over a short period of time. Unlike climate, which is the long-term atmospheric condition of a region, weather focuses on the immediate and temporary state of the atmosphere. Temperature patterns alone do not define weather, as it involves a combination of multiple atmospheric elements.
Extreme weather events, such as storms or heatwaves, can also occur, further emphasizing the variability of weather in contrast to the relatively stable nature of a region's climate. In summary, weather is the short-term atmospheric condition, encompassing various factors like temperature, humidity, and precipitation, and is distinct from the long-term climate of a region. The correct option is the short-term condition of the atmosphere.
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A planet is covered with chocolate ice cream, with a shaved white coconut center. The temperature rises, causing the ice cream to melt and sink below the surface. This reveals the coconut below, raising the albedo of the planet. This is a ________.
This is an analogy to the process of melting of ice caps due to rising temperatures on a planet, which exposes the reflective surface below, increasing the planet's albedo.
Albedo is a scale from 0 to 1 that expresses how reflective a surface is. A surface with a higher albedo will reflect more sunlight and absorb less, resulting in cooler temperatures.
In the example offered, the shaved coconut stands in for the higher-albedo reflecting surface that has been revealed by melting, and the chocolate ice cream represents the lower-albedo ice caps or glaciers.
The planet's albedo rises when the ice cream melts, revealing the coconut, which would result in cooler temperatures by reflecting more solar energy back into space.
However, when the ice caps on Earth are melting, the exposed, darker surfaces absorb more solar energy, causing the climate to warm up even more.
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A hydrograph shows: Multiple Choice the change in a river's discharge over time. the length and width of a river. the beginning and ending elevations of a river. the change in the sediment load of a river.
A hydrograph is a graphical representation that shows the change in a river's discharge over time. The correct option is he change in a river's discharge over time.
It is essential for understanding various aspects of river behavior, including flood risk and water management. The discharge refers to the volume of water flowing through the river at a specific point, typically measured in cubic meters per second (m³/s).
The hydrograph has two main components: the rising limb and the falling limb. The rising limb represents the increase in discharge as the river responds to precipitation, such as rain or snowmelt, which causes water levels to rise. The falling limb, on the other hand, shows the decrease in discharge as the water levels return to normal.
In summary, a hydrograph shows the change in a river's discharge over time, allowing for the analysis of flood risk, water management, and the effectiveness of flood mitigation strategies. It does not depict the length and width, beginning and ending elevations, or the change in the sediment load of a river. The correct option is he change in a river's discharge over time.
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Which of the following correctly explains why icebergs float in the ocean? A. Ice is less dense than liquid water because water contracts when it freezes, filling in open space between molecules. B. Ice is less dense than liquid water because there is more open space between molecules in ice than in liquid water. C. Ice is more dense than liquid water because there is less-open-space between molecules in ice than in water. D. Water is a polar molecule, so the net positive electrical charges in the water repel the net positive electrical charges inside iceberg.
Answer:
Icebergs float in the ocean because the ice is less dense than the liquid water.
A(n) ________________________ at the Mid-Ocean Ridge, where oceanic plates are diverging and magma is by partial melting of the mantle.
A seafloor spreading occurs at the Mid-Ocean Ridge, where oceanic plates are diverging and magma is produced by partial melting of the mantle.
Tectonic plates, which are huge chunks of the lithosphere of the Earth, split apart from one another during the geologic process of seafloor spreading. Mantle convection is what causes seafloor spreading and other tectonic activity processes. The slow, turbulent circulation of the Earth's mantle is known as mantle convection. The process by which new oceanic lithosphere is formed at divergent plate borders and flows away from them is known as seafloor spreading. One of the most significant paradigm revolutions in the history of Earth sciences, the scientific revolution of plate tectonics, was sparked by the seafloor spreading theory.
Nowadays, the phenomena is referred to as plate tectonics. seabed spreading continuously creates new seabed near mid-ocean ridges, where two plates are moving apart.
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What tectonic setting has been primarily responsible for producing the Appalachian Mountains and Great Smoky Mountains National Park
The tectonic setting that is primarily responsible for producing the Appalachian Mountains and Great Smoky Mountains National Park is push-together subduction. The correct answer is option D.
During the Paleozoic Era, about 480 million years ago, the collision of the ancient North American and African tectonic plates formed a supercontinent called Pangea.
This collision caused the oceanic crust to subduct beneath the continental crust, resulting in the formation of the Appalachian Mountains.
The Appalachian Mountains stretch from eastern Canada to northern Alabama and are among the oldest mountains in the world. They were once as high as the Alps but have since been eroded to their present-day height.
Great Smoky Mountains National Park is a part of the Appalachian Mountains and was formed as a result of millions of years of tectonic activity, erosion, and weathering.
In summary, the Appalachian Mountains and Great Smoky Mountains National Park were formed due to the collision of the North American and African tectonic plates, resulting in push-together subduction. The correct answer is option D.
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Complete Question:
What tectonic setting is primarily responsible for producing the Appalachian Mountains and Great Smoky Mountains National Park?
A. Push-together Obduction
B. Hot Spot
C. Slide Past
D. Push-together Subduction
E. Pull-Apart
Which process would likely NOT occur with fine-grained sediment in a high energy water environment...
Transportation is the least likely process to occur with fine-grained sediment in a high-energy water environment. Here option A is the correct answer.
In a high-energy water environment, fine-grained sediment is more likely to be transported than deposited or sorted. This is because the high energy of the water results in a strong current that can easily carry fine-grained sediment along with it.
Transportation occurs when sediments are moved from one location to another. Fine-grained sediments are easily carried by the water in a high-energy environment, and this movement can result in the transportation of sediments over long distances.
Deposition, on the other hand, occurs when sediments settle and come to rest in a particular location. Fine-grained sediments are less likely to deposit in a high-energy water environment because the force of the water is often too strong to allow for settling.
Sorting refers to the separation of sediment particles based on size, shape, and density. In a high-energy water environment, sorting can occur, but fine-grained sediments are less likely to be sorted due to their small size.
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Complete question:
Which of the following processes is least likely to occur with fine-grained sediment in a high energy water environment?
a) Transportation
b) Deposition
c) Sorting
d) Weathering
In the Northern Hemisphere, ocean currents in the Pacific and the Atlantic move in a generally circular pattern. The direction of this motion is
In the Northern Hemisphere, ocean currents in the Pacific and the Atlantic move in a generally circular pattern. This motion is known as: the gyre system, which is caused by a combination of factors including the Earth's rotation, wind patterns, and temperature differences between regions.
In the Northern Hemisphere, the direction of this motion is generally clockwise. This is due to the Coriolis effect, which is caused by the Earth's rotation and causes moving fluids to be deflected to the right in the Northern Hemisphere. The major gyres in the Pacific and Atlantic, such as the North Pacific Gyre and the North Atlantic Gyre, follow this clockwise motion.
These gyres help regulate the Earth's climate by redistributing heat from the equator to the poles, as warm water moves toward the poles and cold water returns to the equator. This heat distribution influences weather patterns and plays a critical role in the Earth's overall climate system.
In summary, in the Northern Hemisphere, ocean currents in the Pacific and the Atlantic move in a generally circular, clockwise pattern due to factors such as the Earth's rotation, wind patterns, and temperature differences between regions. This motion is an essential component of the Earth's climate system.
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Chief Mountain is a prominent peak in Glacier N. P. Explain how is it formed. Name and describe several other erosional features that were formed by glaciers in the park.
Chief Mountain is a prominent peak in Glacier National Park and it was formed through the process of erosion by glaciers. Glaciers are powerful agents of erosion that shape the landscape by carving out valleys, cirques, and peaks.
Chief Mountain is made up of sedimentary rock that was uplifted and tilted at an angle by tectonic forces. As glaciers moved through the area, they scraped and eroded the rock, leaving a distinctive peak with steep sides and a flat top. The ice that once covered the mountain has long since melted away, but the erosional features that it created are still visible today.
In addition to Chief Mountain, Glacier National Park is home to many other erosional features that were formed by glaciers. One of the most iconic features is the park's many U-shaped valleys, which were carved out by glaciers as they moved through the area. These valleys are characterized by steep sides and a flat bottom, and they often contain lakes or rivers.
Another common feature in Glacier National Park is the cirque, which is a bowl-shaped depression that is formed at the head of a glacier. These depressions are often filled with snow and ice, and they can be seen throughout the park.
Finally, the park is also home to many glacially-carved peaks and ridges. These features are characterized by steep sides and a sharp, jagged appearance, and they are often covered in snow and ice year-round.
In summary, Glacier National Park is a stunning example of the power of glaciers to shape the landscape. From the towering peaks of Chief Mountain to the U-shaped valleys and cirques that dot the landscape, the park is a testament to the incredible erosional forces that have been at work in the area for millions of years.
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Why doesn't water in lakes and ponds of temperate climates freeze solid during the winter and kill nearly all the living things it contains
Water in lakes and ponds of temperate climates does not freeze solid during the winter and kills nearly all the living things it contains due to a combination of factors such as the unique properties of water, the temperature fluctuations in the water, and the presence of dissolved gases.
Firstly, water has a unique property that allows it to expand when it freezes. This means that as the water nears freezing temperature, it becomes less dense and rises to the surface. This creates a layer of ice on the surface of the water which acts as an insulating barrier, preventing the water below from freezing solid.
Secondly, the temperature of the water in lakes and ponds is not uniform throughout. Different layers of water have different temperatures, and these layers can mix due to wind and currents. This mixing prevents the water from becoming cold enough to freeze solid.
Lastly, dissolved gases such as oxygen, carbon dioxide, and methane play a role in preventing the water from freezing solid. These gases form bubbles in the water, which reduce the density of the water and prevent it from freezing. Additionally, the movement of these bubbles through the water helps to mix the different layers of water and prevent freezing.
In conclusion, the unique properties of water, temperature fluctuations, and the presence of dissolved gases all contribute to preventing lakes and ponds in temperate climates from freezing solid during winter and killing nearly all the living things it contains.
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quizlt When a deep stable layer begins a short distance above the cloud base, only _____ are able to form. . a. cumulus humilis b. stratocumulus c. cirrocumulus d. altocumulus castellanus e. cumulus congestus
When a deep stable layer begins a short distance above the cloud base, only stratocumulus clouds are able to form.
This is because stratocumulus clouds are typically low-level clouds that originate in conditions of stable air. The air at the surface is cooler than the air above it in these conditions, resulting in a stable layer.
This stable layer stops air from rising and forming other forms of clouds, such as cumulus congestus or cumulus humilis.
The stable layer also limits the formation of taller clouds associated with thunderstorms, such as cumulonimbus.
Stratocumulus clouds are grey or white in colour and can cover enormous parts of the sky.
They are frequently linked with cool, moist weather and are capable of producing light rain or drizzle.
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Break down a volcanic eruption into steps. Explain what happens as magma rises through a volcanic conduit.
A volcanic eruption can be broken down into several steps, which are: Magma chamber recharge, Overpressure, Conduit ascent and effusive eruption. As magma rises through a volcanic conduit, it encounters lower pressures, causing gases to expand and form bubbles in the magma.
A volcanic eruption can be divided into the following steps:
Magma chamber recharge: Below the volcano, a magma chamber accumulates magma that is produced deep within the Earth's mantle and rises to the surface.Overpressure: As magma builds up in the chamber, it presses down on the rock below. Magma rises through a small passageway known as a volcanic conduit that connects the magma chamber to the surface (conduit ascent). The sort of eruption that takes place relies on the properties of the magma, whether it be an explosive eruption or an effusive eruption.Several things occur as magma rises through a volcanic conduit. First of all, when the magma approaches the surface, the pressure on it lessens.
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The shape of Earth's surface (it's geomorphology) is function of three competing factors. What are they
The shape of Earth's surface, also known as its geomorphology, is the result of three main competing factors. They are tectonic activity, erosion and weathering and the influence of climate and precipitation on the Earth's surface.
The first factor is tectonic activity, which includes the movement of Earth's plates, volcanic eruptions, and earthquakes. These events can cause uplift and subsidence of the Earth's crust, creating mountains, valleys, and other landforms.
The second factor is erosion and weathering, which is the gradual breakdown of Earth's surface by natural elements like wind, water, and ice.
This process can create valleys, canyons, and other landforms by wearing away softer materials and leaving harder ones behind.
The third factor is the influence of climate and precipitation on the Earth's surface. This includes the formation of glaciers and the shaping of river channels and coastlines.
Climate and precipitation can also create deserts, forests, and other biomes that have a significant impact on the shape of the Earth's surface.
All three of these factors interact and compete with each other to shape the Earth's surface over time. Understanding the interplay between these factors is crucial to understanding the geomorphology of the Earth's surface.
For example, tectonic activity can create mountains that are then eroded by wind and water, and climate can determine how much precipitation falls on these mountains and how quickly they erode. Understanding the interplay between these factors is crucial to understanding the geomorphology of the Earth's surface.
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Coastal lands bordering the oceans generally have tropical temperatures due to the high heat capacity of water. more moderate temperature variations than inland areas. colder temperatures than lands away from the ocean. more scenery than land in the continental interior.
Coastal lands bordering the oceans generally have more moderate temperature variations than inland areas.
The temperature variations in coastal lands are more moderate than those in inland areas due to the high heat capacity of water. Water has the ability to absorb and store heat, which helps to regulate the temperature of the surrounding environment. In coastal regions, the ocean acts as a giant heat reservoir, absorbing heat during the day and releasing it at night.
This results in a more stable temperature range throughout the day and night, whereas inland areas may experience more extreme temperature fluctuations due to the absence of this moderating effect. Additionally, coastal areas may also benefit from sea breezes and ocean currents that help to distribute heat and further moderate temperatures.
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Since the Industrial Revolution... Group of answer choices human population growth rates have decreased with a subsequent decrease in the warming trend that characterized pre-Industrial Revolution times. global temperatures rapidly increased, then steadied out over the past 25 to 30 years. global temperatures have continued to warm at accelerating rates. no observable warming or cooling trends have occurred, rather temperatures have oscillated between warm and cold periods.
Since the Industrial Revolution global temperatures have continued to warm at accelerating rates.
Since the Industrial Revolution, human activities have contributed significantly to the atmospheric emission of carbon dioxide and other greenhouse gases, altering the planet's climate. The earth's climate is also influenced by natural processes including variations in the sun's energy and volcanic eruptions.
As a result of human activities, greenhouse gas emissions into the atmosphere have dramatically increased. Burning fossil fuels, such as coal and oil, has increased the quantity of greenhouse gases in our atmosphere since the Industrial Revolution began around 1750. The amount of toxins that the Industrial Revolution spewed into the environment was one of its most significant environmental effects. Cities that were too crowded have unsanitary environments and filthy streets.
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The model for ocean basin growth at a seafloor spreading center, and closure at a subduction zone is called the ____________ _________.
The model for ocean basin growth at a seafloor spreading center, and closure at a subduction zone is called the plate tectonic theory. This theory explains the movements and interactions of large pieces of the Earth's lithosphere, known as plates.
According to this theory, the Earth's lithosphere is divided into several plates that move relative to each other. The plates are moved by convection currents in the Earth's mantle, which cause the plates to either diverge, converge, or slide past each other along transform faults.
At a divergent boundary, the plates move apart, and magma rises from the mantle to fill the gap. This creates new seafloor and results in the growth of an ocean basin.
At a convergent boundary, one plate is subducted beneath another, and this results in the destruction of oceanic crust and the closure of an ocean basin.
The plate tectonic theory also explains the formation of features such as mid-ocean ridges, deep-sea trenches, and volcanic islands.
In summary, the plate tectonic theory is the model that explains how ocean basins are created and closed through the movements of the Earth's lithospheric plates.
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Metamorphic rocks can sometimes contain unusually large grains surrounded by a fine-grained matrix of other minerals. These large crystals are called ________.
Metamorphic rocks can sometimes contain unusually large grains surrounded by a fine-grained matrix of other minerals. These large crystals are called porphyroblasts.
Porphyroblasts are formed during metamorphism, where they grow by recrystallization of minerals in the rock in the presence of heat and pressure. As a result of their growth, they can reach sizes up to several centimeters or more in diameter.
The size and shape of porphyroblasts can provide important information about the metamorphic history of the rock in which they are found, including the temperature and pressure conditions that the rock experienced.
Porphyroblasts can be composed of a variety of minerals, including garnet, staurolite, kyanite, and others. The specific minerals that form porphyroblasts depend on the chemistry of the original rock, the temperature and pressure conditions of metamorphism, and the length of time that the rock was subjected to those conditions.
The presence of porphyroblasts in a metamorphic rock can also indicate the grade of metamorphism and the intensity of deformation that the rock experienced.
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Explain how continental glaciation, rates of seafloor spreading, ocean temperatures, and position of the continents affect sea level. esc1000
Continental glaciation, rates of seafloor spreading, ocean temperatures, and the position of the continents can all affect sea level in various ways.
Continental glaciation affects sea level by tying up large volumes of Earth's water, causing sea level to drop, and when glaciers and ice sheets melt, they release large volumes of water that flow back into the ocean, causing sea level to rise.
Rates of seafloor spreading affect sea level because a decrease in the spreading rate causes sea level to fall. Faster spreading yields more young seafloor which is less deep than older seafloor, raising the sea level.
Ocean temperatures also affect sea level. When ocean temperatures fall, water in the ocean contracts, causing sea level to fall, and when ocean temperatures increase, water in the ocean expands slightly, causing a small rise in sea level.
The position of the continents also plays a role in sea level. In the past, widespread glaciation occurred when one or more continents were near the poles, allowing glaciers to exist and causing a drop in global sea level. However, when larger continents were not so close to the poles, this minimized or eliminated widespread glaciation, tending to keep sea levels high.
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The largest aquifer in the U.S. is the ________ aquifer, which serves many states, including parts of Wyoming, Nebraska, Kansas, Oklahoma, and Texas, with groundwater.
The largest aquifer in the U.S. is the Ogallala aquifer, also known as the High Plains aquifer.
It is a vital source of groundwater for many states, covering over 175,000 square miles and stretching from South Dakota to Texas. The Ogallala aquifer provides water for approximately 20% of the country's agricultural production, including corn, wheat, and soybeans. However, the aquifer is being depleted at an alarming rate due to overuse, particularly in the southern regions of the aquifer where irrigation for agriculture is most prevalent.
This has led to concerns about the long-term sustainability of the aquifer and its ability to meet the growing demands for water. Efforts are being made to manage the aquifer more sustainably, such as through the adoption of more efficient irrigation practices and the development of alternative sources of water. The Ogallala aquifer remains a critical resource for the agricultural industry and the communities it supports, highlighting the importance of responsible and sustainable management of our water resources.
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Most dry lands exist between ________ degrees latitude on either side of the equator. 20 and 30 35 and 40 0 and 10 50 and 60
Answer:
Explanation:
Most dry lands exist between 20 and 30 degrees latitude on either side of the equator. This region is known as the subtropics or the horse latitudes, and it includes large areas of desert and semi-arid regions such as the Sahara in Africa, the Arabian Peninsula, and parts of Australia. These regions are characterized by low rainfall, high temperatures, and arid soils, which make them challenging for agriculture and settlement.
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A true cold front on a weather map is always: Select one: a. associated with precipitation. b. associated with a wind shift. c. followed by drier air. d. followed by cooler air.
A true cold front on a weather map is always associated with a wind shift followed by cooler air. Here option D is the correct answer.
A cold front is a boundary that separates a colder air mass from a warmer air mass. As the cold front moves, it pushes the warm air upward, which can create clouds and precipitation. Thus, although a cold front is often associated with precipitation, it is not always the case. Some cold fronts may not have enough moisture to produce precipitation, and others may have already produced precipitation before reaching a particular location.
However, a true cold front always causes a noticeable change in temperature and humidity. As the colder air replaces the warmer air, the temperature drops and the relative humidity decreases. This decrease in humidity can make the air feel drier and more comfortable.
Additionally, a cold front is always associated with a wind shift. The wind direction changes as the front passes, often shifting from a southwesterly or southerly direction to a northwesterly or northerly direction. The wind shift is caused by the difference in air pressure between the colder air mass and the warmer air mass.
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“The economic benefits of industrial development outweighs the environmental impacts in Nigeria”- To what extent do you agree? (9 marks)
I agree to a great extent that the economic benefits of industrial development outweighs the environmental impacts in Nigeria”
How does the economic benefits of industrial development outweighs the environmental impacts in Nigeria”Industrial development remains a debatable and intricate topic, with dissent among many individuals and organizations. On the one hand, it can sometimes result in economic growth, adding job opportunities, productivity enhancement, and modernization of lifestyles. But on the other, there arises numerous hazardous impacts such as environmental damage, pollution, climate alteration, and possible health concerns to human beings.
Examining Nigeria as an example, industrial expansion is notably present throughout its oil and gas sector in recent times. It has distinctly become Africa's chief oil producer and houses unimaginable cash flow due to its abundance in natural assets which spurs economic progress. Nevertheless, these achievements have come at the cost of significantly disruptive contamination and destruction of ecosystems, leading to serious distress for both local communities and the environment.
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A lahar is a special kind of mass movement called a ____________ caused by rapid melting of snow and ice at the top of a volcano during an eruption.
A lahar is a special kind of mass movement called a mudflow caused by rapid melting of snow and ice at the top of a volcano during an eruption.
Lahars consist of a mixture of volcanic debris, water, and mud that can flow down a volcano's slopes at high speeds, causing significant damage to infrastructure and endangering human life. These dangerous events can occur both during and after volcanic eruptions, as rainfall can also trigger lahars by remobilizing loose volcanic material on a volcano's slopes. Volcanic hazards such as lahars are carefully monitored by volcanologists in order to protect nearby populations and infrastructure.
The combination of volcanic debris, water, and other materials can result in a fast-moving slurry that can travel many miles from its source, causing significant damage to surrounding areas. Lahars can destroy buildings and infrastructure, as well as disrupt transportation networks, making them a significant hazard to people living near active volcanoes. Scientists and authorities use various methods, such as remote monitoring and early warning systems, to track and mitigate the risk of lahars.
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The U.S. Atlantic continental margin is an example of a __________ coastline. a. tectonically active b. passive c. Neither of the above is correct.
The U.S. Atlantic continental margin is an example of a passive coastline. So, the correct option is b.
Passive margins are characterized by a lack of tectonic activity, as they are not located near active plate boundaries. Instead, they are formed by the gradual process of continental rifting, which leads to the separation of tectonic plates and the formation of a new oceanic crust.
As a result, passive coastlines generally experience less seismic activity, fewer volcanic eruptions, and lower instances of mountain building compared to tectonically active coastlines. The Atlantic coast of the United States has a passive margin due to its location on the North American Plate, which is not in close proximity to any tectonically active plate boundaries.
This results in a relatively stable and low-relief coastal landscape, which contrasts with the tectonically active west coast of the United States. Hence, B is the correct option.
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What geographical characteristic about Argentina makes it possible for the country to have such varied topography, from deserts to glaciers
The geographical characteristic that makes it possible for Argentina to have such varied topography, from deserts to glaciers, is: its vast size and diverse range of climates and landscapes.
Argentina stretches over approximately 3,650 km from north to south and 1,400 km from east to west, making it the second largest country in South America. This expansive area encompasses various climate zones, including subtropical, temperate, and cold.
In the north, Argentina's regions like Gran Chaco have a subtropical climate, which allows for thick forests and swamps. Moving southwards, the climate becomes more temperate, giving rise to the fertile Pampas plains that are ideal for agriculture.
In the west, the Andes mountain range runs along the border with Chile, creating arid deserts like the Atacama and high-altitude plateaus called Altiplano. The Andes also provide a home for numerous glaciers, especially in the Patagonia region located in the southernmost part of Argentina.
These distinct climate zones, combined with Argentina's vast size, create the conditions for a wide range of topographical features, including deserts, glaciers, forests, and plains. This diverse landscape contributes to Argentina's rich biodiversity and natural beauty.
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A dark, rusty-brown surface coating of iron oxide, manganese oxide, and clay often found on desert rocks is known as Choose one: A. saltation. B. caliche. C. desert varnish. D. talus.
A dark, rusty-brown surface coating of iron oxide, manganese oxide, and clay often found on desert rocks is known as (Option C) desert varnish.
Desert varnish is a dark, rusty-brown surface coating of iron oxide, manganese oxide, and clay that is often found on desert rocks.
This coating is formed by the slow and gradual accumulation of wind-blown dust and clay particles that mix with water and minerals, and then get oxidized by sunlight over long periods of time.
The resulting coating is extremely hard and durable, and can protect the underlying rock from further weathering and erosion.
Desert varnish is an important natural feature of many desert landscapes, and has been used by scientists and archaeologists to study the history and geology of the areas where it is found.
Some researchers have even suggested that the thickness and composition of desert varnish can reveal important information about past climate changes and environmental conditions.
Overall, desert varnish is a fascinating and unique natural phenomenon that is both beautiful and scientifically valuable. Its presence on desert rocks can help us better understand the history and evolution of our planet, and appreciate the wonders of nature in all their complexity and diversity.
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moon of Uranus, is ______. Multiple select question. cut by long fractures covered by ice erupting basaltic lava resurfaced by liquid water
The moon of Uranus is Ariel, cut by long fractures, covered by ice erupting basaltic lava, and resurfaced by liquid water. Ariel is one of the five major moons of Uranus, and it is the fourth-largest.
This moon is known for its unique geological features, including a network of long, narrow fractures that cut across its surface. These fractures, known as scarps, are thought to have formed as a result of the contraction of Ariel's icy crust as it cooled and solidified. The scarps on Ariel can reach up to hundreds of kilometers in length and several kilometers in height, making them some of the most prominent features on the moon's surface. Ariel is also notable for its erupting basaltic lava, which is thought to have originated from the moon's interior. This lava has covered much of Ariel's surface, forming a relatively smooth terrain that contrasts with the rugged terrain of the scarps.
Additionally, scientists have found evidence of liquid water on Ariel's surface, indicating that the moon may have undergone a period of resurfacing in the past. The presence of liquid water on Ariel suggests that the moon's interior may have undergone significant changes over time, and it raises intriguing questions about the potential for habitability on this moon and other icy worlds in our solar system.
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The Rockies, Sierra Nevada, and Cascades normally protect the _____ from the onslaught of arctic air.
The Rockies, Sierra Nevada, and Cascades play a critical role in shaping the climate and weather patterns of the western United States, protecting these regions from the full force of the arctic air masses that move down from the north.
The Rockies, Sierra Nevada, and Cascades are mountain ranges that run through western North America, from Canada down to the United States. These mountains act as a natural barrier that protects the surrounding regions from the cold arctic air that moves down from the north.
As the arctic air masses move south, they encounter these mountain ranges, which cause them to rise and cool. As the air cools, it loses its ability to hold moisture, leading to the formation of clouds and precipitation on the windward side of the mountain ranges. By the time the air reaches the leeward side of the mountains, it has lost much of its moisture and is considerably drier.
This phenomenon, known as orographic lifting, is responsible for the significant differences in climate and weather patterns on either side of these mountain ranges. The Rocky Mountains, for example, act as a barrier that separates the cold, dry air of the Great Plains from the warmer, more humid air of the Pacific Northwest.
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The science that studies the Earth's past climates is... Group of answer choices climate change science. meteorology. paleoclimatology dendrochronology.
The science that studies the Earth's past climates is paleoclimatology. This interdisciplinary field of study combines knowledge from various scientific disciplines, including geology, oceanography, ecology, and atmospheric science.
Paleoclimatologists use a variety of techniques to reconstruct past climate conditions, including the analysis of ice cores, sediment layers, tree rings, and fossil records.
By studying past climate changes and their causes, paleoclimatologists can gain a better understanding of how the Earth's climate system operates, and how it may respond to future changes. This knowledge is crucial for predicting and mitigating the impacts of current and future climate change on human societies and natural ecosystems.
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Full Question: The science that studies the Earth's past climates is... Group of answer choices
climate change science. meteorology. paleoclimatology dendrochronology.
Suppose, in the North Atlantic, an eastward-moving ocean vessel is directly in the path of a westward-moving hurricane. The ship's wisest course would be to veer to the ____ of the storm.
Suppose, in the North Atlantic, an eastward-moving ocean vessel is directly in the path of a westward-moving hurricane. The ship's wisest course would be to veer to the south of the storm.
Hurricanes in the Northern Hemisphere often rotate anticlockwise, which means that the strongest winds and tallest waves are found to the right of the storm's centre (when facing in the direction of travel).
As a result, if an eastward-moving vessel is directly in the path of a westward-moving hurricane, it is best to avoid the storm's right side and instead sail south of it.
By turning to the south of the hurricane, the ship can place itself in a less dangerous sector of the storm, where winds and waves may be less strong.
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